The Yamato schools grew up in the shadow of Nara’s great monasteries: Tegai took its name from a gate of Tōdaiji. Their austere masame and quiet suguha are a temple aesthetic, prized ever since for exactly that restraint.
NihontoWatchNihontoWatchThe Senjuin school is a group of Yamato Province swordsmiths thought to have emerged at the end of the Heian period or perhaps even earlier, and is considered the oldest among the five Yamato schools, which include Tegai, Taima, Hosho, and Shikkake. The name Senjuin originates from the fact that they resided at the foot of Mount Wakakusa (Nara City, Nara Prefecture) from the late Heian period, where the Senju-do hall housing a Senju Kannon was located. There are few signed works by the Senjuin school, which is thought to be because they forged swords for the monk-soldiers of Todai-ji temple and therefore had no need to cut a mei. It is difficult to say that this tachi was forged for such monk-soldiers to wear; judging from the slender and graceful taihai, it was likely forged as a tachi for a kuge. The thinness of the sakikasane is not due to togiberi, but was crafted to be light from the time it was first forged. One's eyes are first drawn to the so-called funbari, where the width at the moto and saki differs, and the height of the sori. While there may be a slight machi-okuri, the presence of a shu-mei on the nakago of the haki-omote indicates that it is ubu-nakago. The jigane is itame-hada mixed with mokume-hada and flows significantly, with chikei and a faint nie-utsuri appearing; the hamon is a narrow suguha in ko-nie-deki with shallow notare mixed with ko-gunome, fine uchiyoke and yubashiri are seen along the habuchi, kinsuji and sunagagashi are seen within the ha, and the boshi is sugu returning in a small komaru. Although it is difficult to convey the brightness of the nioiguchi in photographs, when viewed with the naked eye the nioiguchi is bright, making one feel the strength of the nie unique to the Kamakura period; the deeply curved sugata is full of elegance, and it is a work that exudes the powerful presence characteristic of koto.
Certificate reading — 無銘（千手院）
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Yamato-den · Yamato
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Among the five schools of the Yamato-den, Senjuin (千手院) is held to be the earliest in origin, its name drawn from the Senjudo, a hall enshrining Senju Kannon (the Thousand-Armed Avalokitesvara) said to have stood at the western foothills of Mt. Wakakusa in Nara. The smiths who gathered in that quarter, working under the patronage and within the orbit of the great temples, formed the group, and their close association with the warrior-monks of the monastic establishments is thought to account for the scarcity of signed work that marks the school across its whole span. Old transmitted writings name two masters of the late Heian period, Yukinobu and Shigehiro, though no secure example by either has been confirmed; the oldest surviving signed piece is a tachi cut with the three-character inscription "Senjuin," placed in the early Kamakura period. Blades prefixed Ko-Senjuin are assigned to the earliest phase and retain the lingering presence of the straight-sword (chokuto) tradition, material indispensable to the study of how the curved shinogi-zukuri blade took form. Production runs from the late Heian period through the Nanbokucho era. The school's vocabulary is rooted firmly in Yamato practice. The jigane is an itame mixed with mokume and passages of nagare-masame, often tending toward hada-dachi, with thick ji-nie adhering well, abundant chikei, and in finer examples a faint nie-utsuri that leaves the steel bright and clear; the masame gathers and strengthens toward the edge on the most Yamato of the blades. The hamon is fundamentally a suguha with a shallow notare tendency, mixing ko-choji, ko-gunome, and ko-midare, the habuchi fraying into hotsure with uchi-noke, nijuba, kuichigai-ba, and yubashiri worked in profusion; thick ko-nie lies along a clear nioiguchi, while kinsuji and sunagashi run vigorously through the ji and ha. The boshi enters straight and forms a ko-maru with vigorous hakikake, or finishes in yakizume.
Within this shared foundation the hands diverge. Yoshihiro is singled out as the smith whose ji and ha vary most, his nie especially strong, swelling from the school's quiet suguha into a flamboyant large midare with kinsuji and sunagashi that reads toward Soshu. Sukemitsu gathers ko-choji, ko-gunome, and small midare on a bright suguha-cho, a Bizen-leaning admixture set against the school's plainer temper, his bold two-character mei itself a mark of the hand. Nobuyoshi of the Ryumon group, a Yamato branch, divides between a lively midare carrying utsuri and a Bizen character and a subdued suguha fraying into hotsure in which the Yamato color stands strongest. To kantei a Senjuin blade is to read its position among its neighbours, and the long-standing rule holds that within the Yamato Five Schools a hamon of unusually vigorous and changeable character should be appraised as Senjuin, against the more restrained tempers of Tegai, Shikkake, Taima, and Hosho. The masame in the ha, the hotsure, kuichigai-ba, and nijuba, and the yakizume or hakikake boshi keep the work within Yamato, while the brightness of the nioiguchi and the ko-midare on the edge set it apart from the plainer suguha of its sister schools. Surviving forms span tachi, katana, kodachi, ken, and yari, the ken notably numerous because they served as goshintai and ritual implements rather than weapons of the warrior class; many blades keep their ubu nakago, with pronounced koshizori and funbari of archaic bearing. Yoshihiro's dated signatures give him a face among many anonymous hands, his manner the touchstone for Soshu-tinged mumei attributions; Nobuyoshi is carried to high standing by a single great signed tachi recorded in Honma's inventory of the Imperial collection; Sukemitsu is anchored by a dated reference tachi in the Tokyo National Museum. The bulk of the school's record is mumei, the attributions resting on construction, the flowing masame-inclined forging, and the bright suguha alone, and provenance runs through religious institutions such as Tanzan Shrine and Kyoo Gokoku-ji (To-ji), attesting to the school's monastic roots. Learn more →
| Smith | Era | Designated |
|---|---|---|
| Nobuyoshi延吉 | 1288-1293 | 29 |
| Yoshihiro吉弘 | 1352-1356 | 5 |
| Yoshihiro義弘 | 1312-1317 | 3 |
| Yukimitsu行光 | 999-1004 | 0 |
| Akimitsu日光 | 1303-1306 | 0 |
Yamato in the Kamakura period
The Yamato schools grew up in the shadow of Nara’s great monasteries: Tegai took its name from a gate of Tōdaiji. Their austere masame and quiet suguha are a temple aesthetic, prized ever since for exactly that restraint.
A Hozon-certified blade judged to show notably superior workmanship and a better state of preservation. The bar is higher: re-tempered blades and most unsigned Muromachi/Edo works are excluded.
The NBTHK (Nihon Bijutsu Tōken Hozon Kyōkai, the Society for the Preservation of Japanese Art Swords) is a public-interest incorporated foundation founded in 1948 and supervised by Japan’s Agency for Cultural Affairs (Bunkachō); it is based at the Japanese Sword Museum in Tokyo. Its expert panels physically examine each submitted work (shinsa) and issue a certificate (kanteishō) ranking it by artistic and historical merit. NBTHK papers are the most widely recognized standard of authentication for Japanese swords and fittings.
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